Answer:
Answer is D. Mean decreases and median stays the same
Step-by-step explanation:
First put the amounts in this format
$31, $39, $50, $50, $70, $82
Median (middle of all numbers) is 50
Mean (add all numbers then divide by how many amounts there) is 53.6
Now incorporate the 7th week
$23, $31, $39, $50, $50, $70, $82
Median is still 50
Mean is now 49.28
1. find out many days are in a week (7)
thank subtract 1 from the week and then count every week friday i'm not sure if this is the correct answer but check your answer in case'
Getting a low check would be your answer
It should be $4 sorry if it is wrongbut i pretty sure that is he answer
The difference between their swim times was 0.055 seconds.
